| Human gingiva-derived mesenchymal stem cells elicit polarization of m2 macrophages and enhance cutaneous wound healing. | |
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MedLine Citation:
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PMID: 20734355 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Increasing evidence has supported the important role of mesenchymal stem cells (MSCs) in wound healing, however, the underlying mechanism remains unclear. Recently, we have isolated a unique population of MSCs from human gingiva (GMSCs) with similar stem cell-like properties, immunosuppressive, and anti-inflammatory functions as human bone marrow-derived MSCs (BMSCs). We describe here the interplay between GMSCs and macrophages and the potential relevance in skin wound healing. When cocultured with GMSCs, macrophages acquired an anti-inflammatory M2 phenotype characterized by an increased expression of mannose receptor (MR; CD206) and secretory cytokines interleukin (IL)-10 and IL-6, a suppressed production of tumor necrosis factor (TNF)-α, and decreased ability to induce Th-17 cell expansion. In vivo, we demonstrated that systemically infused GMSCs could home to the wound site in a tight spatial interaction with host macrophages, promoted them toward M2 polarization, and significantly enhanced wound repair. Mechanistically, GMSC treatment mitigated local inflammation mediated by a suppressed infiltration of inflammatory cells and production of IL-6 and TNF-α, and an increased expression of IL-10. The GMSC-induced suppression of TNF-α secretion by macrophages appears to correlate with impaired activation of NFκB p50. These findings provide first evidence that GMSCs are capable to elicit M2 polarization of macrophages, which might contribute to a marked acceleration of wound healing. |
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Authors:
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Qun-Zhou Zhang; Wen-Ru Su; Shi-Hong Shi; Petra Wilder-Smith; Andy Peng Xiang; Alex Wong; Andrew L Nguyen; Chan Wook Kwon; Anh D Le |
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Publication Detail:
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Type: Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Stem cells (Dayton, Ohio) Volume: 28 ISSN: 1549-4918 ISO Abbreviation: Stem Cells Publication Date: 2010 Oct |
Date Detail:
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Created Date: 2010-10-27 Completed Date: 2011-02-08 Revised Date: 2012-04-13 |
Medline Journal Info:
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Nlm Unique ID: 9304532 Medline TA: Stem Cells Country: United States |
Other Details:
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Languages: eng Pagination: 1856-68 Citation Subset: IM |
Affiliation:
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Center for Craniofacial Molecular Biology, The Herman Ostrow School of Dentistry of University of Southern California, Los Angeles, California 90033, USA. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Blotting, Western Cell Line Cells, Cultured Coculture Techniques Enzyme-Linked Immunosorbent Assay Flow Cytometry Gingiva / cytology* Humans Macrophages / cytology*, immunology* Male Mesenchymal Stem Cells / cytology*, metabolism* Mice Mice, Inbred C57BL Wound Healing / immunology* |
| Grant Support | |
ID/Acronym/Agency:
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R01 DE019932-02/DE/NIDCR NIH HHS; R01 DE019932-04/DE/NIDCR NIH HHS; R01DE 019932/DE/NIDCR NIH HHS |
| Comments/Corrections | |
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